Incremental Mining of Constrained Associations

  • Authors:
  • Shiby Thomas;Sharma Chakravarthy

  • Affiliations:
  • -;-

  • Venue:
  • HiPC '00 Proceedings of the 7th International Conference on High Performance Computing
  • Year:
  • 2000

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Abstract

The advent of data warehouses has shifted the focus of data mining from file-based systems to database systems in recent years. Architectures and techniques for optimizing mining algorithms for relational as well as Object-relational databases are being explored with a view to tightly integrate mining into data warehouses. Interactive mining and incremental mining are other useful techniques to enhance the utility of mining and to support goal oriented mining. In this paper, we show that by viewing the negative border concept as a constraint relaxation technique, incremental data mining can be readily generalized to efficiently mine association rules with various types of constraints. In the general approach, incremental mining can be viewed as a special case of relaxing the frequency constraint. We show how the generalized incremental mining approach including constraint handling can be implemented using SQL. We develop performance optimizations for the SQL-based incremental mining and present some promising performance results. Finally, we demonstrate the applicability of the proposed approach to several other data mining problems in the literature.